There are (at least) two separate worlds of music according the field of musicology. The two worlds represented here are art music and popular music. The othe

There are (at least) two separate worlds of music according the field of musicology. The two worlds represented here are art music and popular music. The other major category of music is traditional or folk music. https://en.wikipedia.org/wiki/Art_music https://en.wikipedia.org/wiki/Art_music